Home / 10,449.62-15,683.18-9,792.81

Finding the Fourth Proportional to 10,449.62, 15,683.18 and 9,792.81

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Solution

The fourth proportional to 10,449.62, 15,683.18 and 9,792.81 is: 14,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.62 : 15,683.18 = 9,792.81 : x
  2. Step 2: Convert to fraction form
    10,449.62/15,683.18 = 9,792.81/x
  3. Step 3: Cross multiply
    10,449.62x = 15,683.18 × 9,792.81
  4. Step 4: Simplify right side
    10,449.62x = 153,582,352.97
  5. Step 5: Solve for x
    x = 153,582,352.97/10,449.62
  6. Step 6: Final answer
    x = 14,697.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.